High-spin three-quasiparticle states ofNb93populated in the beta decay of212+Mom93

Abstract

Thirteen $\gamma$ rays with the 6.85-h half-life of ${}_{}{}^{93}{}_{}{}^{}\mathrm{Mo}_{}^m{}_{}{}^{}$ have been identified using singles and Compton suppression Ge(Li) spectrometers. The known levels of ${}_{}{}^{93}{}_{}{}^{}\mathrm{Nb}$ at $949.82 \left(\frac{13}{2^{+}}\right)$, $1335.20 \left(\frac{17}{2^{+}}\right)$, and $1491.10 \left(\frac{15}{2^{+}}\right)$ keV are populated by $\gamma$ rays from two levels at ($log\mathrm{ft}$ in parenthesis) 2753.15 (5.1) and 2180.2 keV (7.5), with possible spin values of $\frac{21}{2^{+}}$ and $\frac{19}{2^{+}}$, respectively. The 2753-keV level is discussed within the framework of a $\pi \left(g_{\frac{9}{2}}\right)\nu \left(g_{\frac{7}{2}}{d}_{\frac{5}{2}}\right)$ three-quasiparticle configuration.